More integration work.

More integration work.

	* closure-html.asd: Big cleanup.

	* src/glisp/util.lisp (DEFSUBST): Removed macro.

	* src/net/mime.lisp: Renamed package NETLIB to closure-mime-types.

	* src/parse/sgml-parse.lisp: s/defsubst/definline/
	s/netlib/closure-mime-types/

	* src/defpack.lisp: New, from net/package.lisp and
	parse/package.lisp as well as trivial-html-parser/package.lisp.
	Renamed package NETLIB to closure-mime-types.

	* src/parse/html-parser.lisp: New, from trivial-html-parser.
	Renamed package to closure-html.  (PARSE): Renamed from parse-html.

	* src/parse/lhtml.lisp: New, from trivial-html-parser/html-parser.lisp.
	* src/test/test.lisp: New, from trivial-html-parser/html-parser.lisp.

	* src/net/package.lisp: Deleted.
	* src/parse/package.lisp: Deleted.